Wildcard query – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.3-8.9

Briefly, this error occurs when a wildcard query is used in Elasticsearch and the query syntax is incorrect or the field specified in the query does not exist. To resolve this issue, you can check the query syntax to ensure it is correct. Also, verify that the field you are querying exists in the index. If the field does not exist, you may need to reindex your data with the correct field. Additionally, ensure that the field you are querying is not analyzed as wildcard queries do not work on analyzed fields.

This guide will help you check for common problems that cause the log ” wildcard query ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: query, index.

Log Context

Log “wildcard query” class name is PlaceHolderFieldMapper.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 String value;
 @Nullable MultiTermQuery.RewriteMethod method;
 boolean caseInsensitve;
 SearchExecutionContext context
 ) {
 throw new QueryShardException(context; fail("wildcard query"));
 }  @Override
 public Query normalizedWildcardQuery(String value; @Nullable MultiTermQuery.RewriteMethod method; SearchExecutionContext context) {
 throw new QueryShardException(context; fail("normalized wildcard query"));


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